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West Nile Virus
Mosquito
2011
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West Nile Virus:  USA - Mosquito
Washington Washington Washington Montana Maine Maine North Dakota South Dakota Wyoming Wisconsin Wisconsin Idaho Vermont Minnesota Oregon New Hampshire Iowa Massachusetts Massachusetts Massachusetts Nebraska New York New York New York New York Pennsylvania Connecticut Rhode Island Rhode Island Rhode Island New Jersey Indiana Nevada Utah California California California California California Ohio Illinois District of Columbia Delaware West Virginia Maryland Maryland Maryland Maryland Colorado Kentucky Kentucky Kansas Virginia Virginia Virginia Missouri Arizona Oklahoma North Carolina North Carolina North Carolina North Carolina North Carolina North Carolina Tennessee Texas Texas Texas Texas Texas Texas New Mexico Alabama Mississippi Georgia Georgia South Carolina South Carolina Arkansas Louisiana Louisiana Louisiana Louisiana Florida Florida Florida Florida Florida Florida Florida Michigan Michigan Michigan Michigan Michigan
Map Scalebar 1000000 m
Cumulative 2011 Data as of 3 am, Apr 17, 2012*
These data are considered the final 2011 data as of April 17,2012.
Arizona148
California2087
Colorado59
Connecticut164
District of Columbia31
Georgia396
Idaho3
Illinois1068
Indiana191
Iowa5
Kentucky4
Louisiana253
Maryland15
Massachusetts275
Michigan22
Minnesota5
Mississippi31
Missouri119
Nebraska53
Nevada20
New Hampshire9
New Jersey532
New York453
Ohio586
Oklahoma4
Oregon3
Pennsylvania1490
Rhode Island2
South Carolina10
South Dakota4
Tennessee995
Texas672
Utah25
Vermont3
Virginia208
Washington5
West Virginia27
Wyoming10
Cumulative Total Entire Country: 9,987
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Map Legend
* States and counties in yellow either did not perform surveillance or did not report any positive test results from their surveillance.